Grave-Digger 1.0

This was once one a large minin' vessel workin' a company called Golden Dirt Corp". But then t' war came and t' company got closed. T' minig vessel was forgotten in space, untill a group o' pirates found it. T' repaired it slowly and added some extras. Over t' years traders, pirates, aliens, ... moved onto t' ship. After some time a hole city was build on top o' t' ship.
Screenshots:

and some more:
http://imgur.com/h4aJiVm,QSWjvGc,C88blLR,8FJKpdV,bx9L42E,lrJa0Sr,r9NPcMZ#5